package com.atguigu.gulimall.product.service.impl;

import com.atguigu.gulimall.product.dao.AttrAttrgroupRelationDao;
import com.atguigu.gulimall.product.dao.AttrDao;
import com.atguigu.gulimall.product.entity.AttrAttrgroupRelationEntity;
import com.atguigu.gulimall.product.entity.AttrEntity;
import com.atguigu.gulimall.product.entity.CategoryEntity;
import com.atguigu.gulimall.product.service.AttrService;
import com.atguigu.gulimall.product.vo.AttrGroupWithAttrsVo;
import com.atguigu.gulimall.product.vo.SpuItemAttrGroupVo;
import com.baomidou.mybatisplus.core.conditions.Wrapper;
import net.bytebuddy.asm.Advice;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimall.product.dao.AttrGroupDao;
import com.atguigu.gulimall.product.entity.AttrGroupEntity;
import com.atguigu.gulimall.product.service.AttrGroupService;


@Service("attrGroupService")
public class AttrGroupServiceImpl extends ServiceImpl<AttrGroupDao, AttrGroupEntity> implements AttrGroupService {

    @Autowired
    private AttrAttrgroupRelationDao relationDao;

    @Autowired
    private AttrDao attrDao;
    @Autowired
    private AttrGroupDao attrGroupDao;

    @Autowired
    private AttrService attrService;
    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrGroupEntity> page = this.page(
                new Query<AttrGroupEntity>().getPage(params),
                new QueryWrapper<AttrGroupEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public PageUtils queryPage(Map<String, Object> params, Integer catelogId) {
        //如果catelogID等于0就查询所有
        QueryWrapper<AttrGroupEntity> queryWrapper = new QueryWrapper<AttrGroupEntity>();
        String key = (String) params.get("key");
        if (StringUtils.isNotEmpty(key)) {
            queryWrapper.and(wrapper -> {
                wrapper.eq("attr_group_id", key).or().like("attr_group_name", key);

            });
        }
        if (catelogId == 0) {
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params), queryWrapper);
            return new PageUtils(page);
        } else {
            queryWrapper.or(wrapper -> wrapper.eq("catelog_id",catelogId));
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params), queryWrapper);
            return new PageUtils(page);
        }
    }

    @Override
    public List<AttrGroupWithAttrsVo> getAttrGroupWithAttrsByCatelogId(Long catelogId) {
        QueryWrapper<AttrGroupEntity> queryWrapper=new QueryWrapper<>();
        queryWrapper.eq("catelog_id",catelogId);
        List<AttrGroupEntity> list = this.list(queryWrapper);
        List<AttrGroupWithAttrsVo> collect = list.stream().map(attrGroupEntity -> {
            AttrGroupWithAttrsVo attrGroupWithAttrsVo = new AttrGroupWithAttrsVo();
            BeanUtils.copyProperties(attrGroupEntity, attrGroupWithAttrsVo);
            List<AttrEntity> attrEntities = attrService.attrRelation(attrGroupEntity.getAttrGroupId());
            attrGroupWithAttrsVo.setAttrs(attrEntities);
            return attrGroupWithAttrsVo;
        }).collect(Collectors.toList());
        return collect;
    }

    @Override
    public List<SpuItemAttrGroupVo> getAttrGroupWithAttrsByCatelogIdAndSpuId(Long catalogId,Long spuId) {
        return attrGroupDao.getAttrGroupWithAttrsByCatelogIdAndSpuId(catalogId,spuId);

    }


}